Sub 1 goes to 50% on it's own

So here is the issue: Sub 1 goes to 50% when I type: Group 1 Focus Palette 1 Enter

It does this independed of wich fader it is mapped to. I tried deleting the sub, deleting the focus palette and deleting the snapshot and rerecording them. The Sub keeps doing this even without content stored in Sub 1. All other subs behave normally.

Eos version 3.1.5 build 8

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